Add a missing usb_syncmem(... BUS_DMASYNC_PRE{READ,WRITE}) for the
transfer buffer
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1d6d63b6d6
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abe7dda6b4
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@ -1,4 +1,4 @@
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/* $NetBSD: dwc2.c,v 1.44 2016/08/14 14:42:22 skrll Exp $ */
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/* $NetBSD: dwc2.c,v 1.45 2016/12/04 16:59:49 skrll Exp $ */
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/*-
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* Copyright (c) 2013 The NetBSD Foundation, Inc.
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@ -30,7 +30,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: dwc2.c,v 1.44 2016/08/14 14:42:22 skrll Exp $");
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__KERNEL_RCSID(0, "$NetBSD: dwc2.c,v 1.45 2016/12/04 16:59:49 skrll Exp $");
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#include "opt_usb.h"
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@ -1012,6 +1012,10 @@ dwc2_device_start(struct usbd_xfer *xfer)
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dwc2_urb->usbdma = &xfer->ux_dmabuf;
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dwc2_urb->buf = KERNADDR(dwc2_urb->usbdma, 0);
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dwc2_urb->dma = DMAADDR(dwc2_urb->usbdma, 0);
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usb_syncmem(&xfer->ux_dmabuf, 0, len,
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dir == UE_DIR_IN ?
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BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
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}
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dwc2_urb->length = len;
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dwc2_urb->flags = flags;
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